<template>
    <div class="app-container">
<!--        顶部Header区域-->
        <mt-header fixed title="多弗朗辉哥-Vue">
            <span  slot="left" @click="goBack" v-show="flag">
                <mt-button icon="back">返回</mt-button>
            </span>
        </mt-header>
<!--        中间路由router-view区域-->
        <transition >
            <router-view/>
        </transition>

<!--        底部Tabbar区域-->
        <nav class="mui-bar mui-bar-tab">
            <router-link class="mui-tab-item" to="/home">
                <span class="mui-icon mui-icon-home"/>
                <span class="mui-tab-label">首页</span>
            </router-link>
            <router-link class="mui-tab-item" to="/member">
                <span class="mui-icon mui-icon-contact"/>
                <span class="mui-tab-label">会员</span>
            </router-link>
            <router-link class="mui-tab-item" to="/shopping-cart">
                <span class="mui-icon mui-icon-extra mui-icon-extra-cart">
                    <span class="mui-badge" id="badge">{{ $store.getters.getAllCount}}</span>
                </span>
                <span class="mui-tab-label">购物车</span>
            </router-link>
            <router-link class="mui-tab-item" to="/search">
                <span class="mui-icon mui-icon-search"/>
                <span class="mui-tab-label">搜索</span>
            </router-link>
        </nav>
    </div>
</template>

<script>
  export default {
      data(){
          return{
              flag:false
          }
      },
      created() {
          this.flag = this.$route.path === '/home' ? false : true;
      },
      methods:{
          goBack(){ //点击返回
              this.$router.go(-1);
          }
      },
      watch:{
          '$route.path':function (newVal) {
                if(newVal === "/home"){
                    this.flag = false
                }else{
                    this.flag = true
                }
          }
      }
  }
</script>

<style scoped lang="scss">
    .mint-header{
        z-index: 100;
    }
    .app-container{
        padding-top: 40px;
        padding-bottom: 50px;
        overflow-x: hidden;
    }

    .v-enter{
        opacity: 0;
        transform: translateX(100%);
        position: absolute;
    }
    .v-leave-to{
        opacity: 0;
        transform: translateX(-100%);
        position: absolute;
    }
    .v-enter-active,.v-leave-active{
        transition: all 0.5s ease;
    }
</style>